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Eclipse Platform
Release 3.5

org.eclipse.swt.graphics
Class ImageLoaderEvent

java.lang.Object
  extended by 

java.util.EventObject
      extended by org.eclipse.swt.internal.SWTEventObject
          extended by 
org.eclipse.swt.graphics.ImageLoaderEvent
All Implemented Interfaces:
Serializable

public class ImageLoaderEvent
extends org.eclipse.swt.internal.SWTEventObject

Instances of this class are sent as a result of the incremental loading of image data.

Notes:

  • The number of events which will be sent when loading images is not constant. It varies by image type, and for JPEG images it varies from image to image.
  • For image sources which contain multiple images, the endOfImage flag in the event will be set to true after each individual image is loaded.

See Also:
ImageLoader, ImageLoaderListener, Sample code and further information, Serialized Form

Field Summary
 boolean endOfImage
          If this flag is true, then the current image data has been completely loaded, otherwise the image data is only partially loaded, and further ImageLoader events will occur unless an exception is thrown
  ImageData imageData
          if the endOfImage flag is false, then this is a partially complete copy of the current ImageData, otherwise this is a completely loaded ImageData
 int incrementCount
          the zero-based count of image data increments -- this is equivalent to the number of events that have been generated while loading a particular image
 
Fields inherited from class java.util. EventObject
source
 
Constructor Summary
ImageLoaderEvent ( ImageLoader source, ImageData imageData, int incrementCount, boolean endOfImage)
          Constructs a new instance of this class given the event source and the values to store in its fields.
 
Method Summary
  String toString ()
          Returns a string containing a concise, human-readable description of the receiver.
 
Methods inherited from class java.util. EventObject
getSource
 
Methods inherited from class java.lang. Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

imageData

public 
ImageData imageData
if the endOfImage flag is false, then this is a partially complete copy of the current ImageData, otherwise this is a completely loaded ImageData


incrementCount

public int incrementCount
the zero-based count of image data increments -- this is equivalent to the number of events that have been generated while loading a particular image


endOfImage

public boolean endOfImage
If this flag is true, then the current image data has been completely loaded, otherwise the image data is only partially loaded, and further ImageLoader events will occur unless an exception is thrown

Constructor Detail

ImageLoaderEvent

public ImageLoaderEvent(
ImageLoader source,
                        
ImageData imageData,
                        int incrementCount,
                        boolean endOfImage)
Constructs a new instance of this class given the event source and the values to store in its fields.

Parameters:
source - the ImageLoader that was loading when the event occurred
imageData - the image data for the event
incrementCount - the image data increment for the event
endOfImage - the end of image flag for the event
Method Detail

toString

public 
String toString()
Returns a string containing a concise, human-readable description of the receiver.

Overrides:
toString in class EventObject
Returns:
a string representation of the event

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire